329 results found
Medical tests
… Risks Results Test Overview A myelogram uses X-rays and a special dye called contrast material to … space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … is often done after the X-rays, while the dye is still in your body. Why It Is Done A myelogram is done to check for: …
Medical tests
… in an electrical field. Serum protein electrophoresis uses an electrical field to separate the proteins in the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary hemochromatosis, an inherited … This test might be done if you have high iron levels in your blood. This test helps to find out if you have … gene test. You may worry that test results could affect your future employment options or the cost or availability …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … organs, such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body … glands called a pheochromocytoma . Tumours like this can cause your adrenal glands to release too many hormones. And …
Medical tests
… usually measured at the same time as a folic acid test, because a lack of either one or both can lead to a form of … water) for 10 to 12 hours before the test. How It Is Done Your health professional drawing blood will: Wrap an elastic band around your upper arm to stop the flow of blood. This makes the …
Medical tests
… During an ear examination, a tool called an otoscope is used to look at the outer ear canal and eardrum. An otoscope … a speculum. A pneumatic otoscope has a rubber bulb that your doctor can squeeze to give a puff of air into the ear … with the head tilted slightly toward the opposite shoulder. Your doctor may need to remove earwax in order to see the …
Medical tests
… This fluid buildup is called ascites . Ascites may be caused by infection, inflammation, an injury, or other … Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your procedure. Or your doctor may tell you to keep taking …
Medical tests
… flows out of the bladder. This test, also called a VCUG, uses contrast fluid and X-rays so the doctor can see how the … you can expect. And it will help you safely prepare for your test. Preparing for the test Tell your doctor if you are allergic to iodine. Iodine is usually …
Medical tests
… Information Test Overview Colonoscopy is a test that allows your doctor to look at the inner lining of your large intestine (rectum and colon). Your doctor uses a thin, flexible tube called a colonoscope to look at …
Medical tests
… Feels Test Overview A non-stress test is a test that checks your baby's heartbeat patterns. It can show heart rate … to stop smoking for 2 hours before the test. This is because smoking affects your baby's heart rate and movements. How It Is Done For the …
